For a while there used to be a significant gap in the Advanced Micro Devices graphics accelerators lineup, and the rival – Nvidia GeForce GTX 280 – could easily take this spot over. Now things have changed and thanks to Sapphire HD 4850 X2 2G/1G GDDR3 and Leadtek WinFast GTX 280 we have a great chance to witness one of the most interesting battles between the 3D graphics giants.